Oct 12 23:55:30.054 INFO checking carlosgj94/simple_blockchain against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 23:55:30.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 23:55:30.464 INFO blam! 63fa6801ff01edd6fa4915e87ee445f7d9d0eb026f63e43b479982f22cdea50e
Oct 12 23:55:30.465 INFO running `"docker" "start" "-a" "63fa6801ff01edd6fa4915e87ee445f7d9d0eb026f63e43b479982f22cdea50e"`
Oct 12 23:55:32.484 INFO kablam! usermod: no changes
Oct 12 23:55:32.557 INFO kablam!     Checking rust-crypto v0.2.36
Oct 12 23:55:38.379 INFO kablam!     Checking simple_blockchain v0.1.0 (/source)
Oct 12 23:55:39.096 INFO kablam! warning: value assigned to `hash` is never read
Oct 12 23:55:39.096 INFO kablam!   --> src/main.rs:73:13
Oct 12 23:55:39.096 INFO kablam!    |
Oct 12 23:55:39.096 INFO kablam! 73 |     let mut hash = String::new();
Oct 12 23:55:39.096 INFO kablam!    |             ^^^^
Oct 12 23:55:39.096 INFO kablam!    |
Oct 12 23:55:39.096 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 23:55:39.096 INFO kablam! 
Oct 12 23:55:39.107 INFO kablam! warning: function is never used: `is_valid_new_block`
Oct 12 23:55:39.107 INFO kablam!    --> src/main.rs:104:1
Oct 12 23:55:39.107 INFO kablam!     |
Oct 12 23:55:39.107 INFO kablam! 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Oct 12 23:55:39.107 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:55:39.107 INFO kablam!     |
Oct 12 23:55:39.107 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 23:55:39.107 INFO kablam! 
Oct 12 23:55:39.484 INFO kablam! warning: value assigned to `hash` is never read
Oct 12 23:55:39.484 INFO kablam!   --> src/main.rs:73:13
Oct 12 23:55:39.484 INFO kablam!    |
Oct 12 23:55:39.484 INFO kablam! 73 |     let mut hash = String::new();
Oct 12 23:55:39.492 INFO kablam!    |             ^^^^
Oct 12 23:55:39.492 INFO kablam!    |
Oct 12 23:55:39.492 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 23:55:39.492 INFO kablam! 
Oct 12 23:55:39.498 INFO kablam! warning: function is never used: `is_valid_new_block`
Oct 12 23:55:39.498 INFO kablam!    --> src/main.rs:104:1
Oct 12 23:55:39.498 INFO kablam!     |
Oct 12 23:55:39.498 INFO kablam! 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Oct 12 23:55:39.498 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:55:39.498 INFO kablam!     |
Oct 12 23:55:39.498 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 23:55:39.498 INFO kablam! 
Oct 12 23:55:39.525 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
Oct 12 23:55:39.531 INFO kablam! su: No module specific data is present
Oct 12 23:55:40.230 INFO running `"docker" "rm" "-f" "63fa6801ff01edd6fa4915e87ee445f7d9d0eb026f63e43b479982f22cdea50e"`
Oct 12 23:55:40.512 INFO blam! 63fa6801ff01edd6fa4915e87ee445f7d9d0eb026f63e43b479982f22cdea50e